Botryoidal Siderite (variety sphaerosiderite) on matrix with very sharp platy Baryte crystals that are translucent and have geometric zoning.The sample is from the Francesco S. Stoppani collection (catalog number 0584), whose label we’ll send to the buyer. As is the case with so many specimens in this collection, the sample is of great quality for the locality.
Baia Sprie Mine, Baia Sprie, Maramures Romania
Specimen size: 8.5 × 6.9 × 3.8 cm = 3.3” × 2.7” × 1.5”Price:
[SOLD]

Botryoidal Siderite traditionally well known as sphaerosiderite, on a rocky matrix with bluish and very bright, laminar Baryte crystals.The sample is from the Francesco S. Stoppani collection (catalog number 0635), whose label we’ll send to the buyer. As is the case with so many specimens in this collection, the sample is of great quality for the locality.
Baia Mare, Maramures Romania
Specimen size: 13 × 8.3 × 3.8 cm = 5.1” × 3.3” × 1.5”Price:
Euro:280 / US$317 / Yen:35060 / AUD$440

Two generations of Siderite crystals on matrix. The first forms a tapestry of small thick-tabular crystals with very well defined forms and the second is with larger polycrystalline aggregates with very curved faces.The sample is with a label from the Stoppani collection that we’ll send to the buyer
Maramures Romania
Specimen size: 12.5 × 10.8 × 4.2 cm = 4.9” × 4.3” × 1.7”

Aggregate of very Sharp rhombohedral Siderite crystals, with polycrystalline growths and a single cubic Fluorite crystal, transparent and with a blue color and violet color zones. We note the locality which is really uncommon.The sample is from the Francesco S. Stoppani collection (catalog number 0614), and was previously in the J.H. Marshall Jr. collection (catalog number 2640). We'll send to the buyer the Stoppani label and the label and card from the Marshall Jr. collection. As is the case with so many specimens in this collection, the sample is of great quality for the locality.
Wolodarsk-Wolynskii, Zhytomyr Oblast' Ukraine
Specimen size: 6.7 × 4.9 × 3.6 cm = 2.6” × 1.9” × 1.4”Price:
[SOLD]

Echeloned growths of rhombohedral Siderite crystals with a clear cream color and darker areas due to inclusions. As is the case with so many specimens in this collection, the sample is of great quality for the locality.
Müsen, Siegerland, North Rhine-Westphalia/Nordrhein-Westfalen Germany
Specimen size: 11 × 7.5 × 4.1 cm = 4.3” × 3.0” × 1.6”

Aggregate of rhombohedral Siderite crystals with slightly curved faces and very bright and “paved” surfaces partially coated by small Pyrite crystals. It is an excellent German classic for the species and the locality. As is the case with so many specimens in this collection, the sample is of great quality for the locality.
Georg Mine, Willroth, Flammersfeld, Altenkirchen (Westerwald), Siegerland, Rhineland-Palatinate/Rheinland-Pfalz Germany
Specimen size: 14 × 7.8 × 3.7 cm = 5.5” × 3.1” × 1.5”

Group of lenticular crystals that have a very contrasted doubly coloration, with both dark and yellowish-brown areas. They are on matrix, with small crystals of Pyrite that are complex, with the predominant forms of the octahedron.
Tres Cruces, Potosí Bolivia
Specimen size: 4.9 × 4.3 × 3.3 cm = 1.9” × 1.7” × 1.3”

Aggregate of very sharp and well defined rhombohedral crystals with echeloned edges. They are very bright, have a clear brown color and are on matrix, with very well defined Quartz crystals. As is the case with so many specimens in this collection, in this case a German classic, the sample is of great quality for the locality.
Neudorf, Harzgerode mining district, Harz, Saxony-Anhalt/Sachsen-Anhalt Germany
Specimen size: 11.2 × 8 × 4.8 cm = 4.4” × 3.1” × 1.9”Price:
[SOLD]